2026 Federal Tax Planning

Quarterly Planning

Turn an annual federal tax estimate into a payment target and four due-date reminders.

Make a payment plan

Already have an annual federal tax estimate? Use the final tax amount—not your refund or amount still owed. Enter 0 for a payment you have not made.

How will you file?Use the status you actually qualify for.

Expected total federal tax for 2026After tax credits, before withholding or estimated payments. Include self-employment tax if applicable; use the IRS estimated-tax worksheet benchmark.

Expected full-year federal withholdingTotal for the whole year—not just what has been withheld so far.

Can we use a full 12-month 2025 tax return?If unknown or not a full year, this uses the current-year benchmark instead.

2025 tax for the estimated-payment benchmarkUse the IRS Publication 505 / Form 1040-ES prior-tax figure, including its required adjustments.

2025 adjusted gross income2025 Form 1040 line 11b.

Payment 1 already madeToward April 15, 2026

Payment 2 already madeToward June 15, 2026

Payment 3 already madeToward September 15, 2026

Payment 4 already madeToward January 15, 2027

Does steady-income planning fit your situation?Income is earned evenly throughout the year; U.S. citizen or resident throughout 2025; no farming/fishing, fiscal-year return, special elections, disaster extensions or refundable-credit worksheet adjustments. No change between separate and joint filing from 2025 to 2026.

This tool calculates in your browser tab and does not submit these amounts. No SSNs, bank details or tax documents are needed.